Sen2cor installed successfully but not able to process correctly

I have installed sen2cor on ubuntu 16.04 LTS. But when I am trying to process it, results in an error. Please any one let me know the procedure to resolve this issue.
ERROR :
Syntax error in metadata, see report file for details.
Parsing error:
Schema file: S2-PDGS-TAS-DI-PSD-V14.2_Schema/S2_User_Product_Level-2A_Metadata.xsd
Details: Element ‘L2A_Product_Organisation’: Missing child element(s). Expected is ( Granule_List ).
Progress[%]: 100.00 : Application terminated with at least one error.

Please find snap of error attached herewith.